20454384154302 has 96 divisors (see below), whose sum is σ = 50936046220800. Its totient is φ = 5810988734784.

The previous prime is 20454384154231. The next prime is 20454384154313. The reversal of 20454384154302 is 20345148345402.

20454384154302 is a `hidden beast` number, since 20 + 4 + 5 + 4 + 3 + 84 + 1 + 543 + 0 + 2 = 666.

It is a super-2 number, since 2×20454384154302² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 351971224 + ... + 352029332.

It is an arithmetic number, because the mean of its divisors is an integer number (530583814800).

Almost surely, 2^{20454384154302} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20454384154302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25468023110400).

20454384154302 is an abundant number, since it is smaller than the sum of its proper divisors (30481662066498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20454384154302 is a wasteful number, since it uses less digits than its factorization.

20454384154302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73910 (or 73907 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 45.

The spelling of 20454384154302 in words is "twenty trillion, four hundred fifty-four billion, three hundred eighty-four million, one hundred fifty-four thousand, three hundred two".